Regulating Heterogeneous Charge Distribution/Magnetic Resonance via Ligand Constraints for Enhanced Electromagnetic Wave Absorption

Carbon, Год журнала: 2025, Номер unknown, С. 120244 - 120244

Опубликована: Март 1, 2025

Язык: Английский

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Synergistic Enhancement of Radar Wave Absorption in SiC/Al2O3 Composites via Structural Tuning, Composition Optimization, and Unit Design

Materials Today Physics, Год журнала: 2025, Номер unknown, С. 101662 - 101662

Опубликована: Янв. 1, 2025

Язык: Английский

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MOF-confined FeCoNi@carbon/Al2O3/silicone rubber composites with synergistic thermal conductivity and enhanced microwave absorption

Composites Communications, Год журнала: 2025, Номер unknown, С. 102366 - 102366

Опубликована: Март 1, 2025

Язык: Английский

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Dielectric Synergistic Gradient Metamaterials Enable Exceptional Ultra–wideband Microwave Absorption and Antibacterial Properties

Carbon, Год журнала: 2024, Номер 232, С. 119813 - 119813

Опубликована: Ноя. 8, 2024

Язык: Английский

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Fabrication of hollow Fe3O4 microspheres encapsulated by single-walled carbon nanohorns for high-performance microwave absorption

Ceramics International, Год журнала: 2024, Номер unknown

Опубликована: Ноя. 1, 2024

Язык: Английский

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Gradient Large-Scale Configuration of VGCF/Fe3Si/Poly(PDA-co-XY) Nanocomposite with Layered Design and Boosted Microwave Absorption Performance in C-Band Frequency

Ceramics International, Год журнала: 2025, Номер unknown

Опубликована: Янв. 1, 2025

Язык: Английский

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Genetic Algorithm Designed Multilayered Si3N4 Nanowire Membranes Hybridized by Dielectric Wide-range Tunable CVD Graphene Skin for Broadband Microwave Absorption

Composites Part B Engineering, Год журнала: 2025, Номер 297, С. 112298 - 112298

Опубликована: Фев. 18, 2025

Язык: Английский

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Dimensionality-driven sustainable biocarbon-based microwave absorbers: From bio-waste to functional materials

Next Materials, Год журнала: 2025, Номер 8, С. 100584 - 100584

Опубликована: Март 15, 2025

Язык: Английский

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A Bionic Grooving All‐Cementitious‐Dielectric Metastructure with Unprecedented Wide‐Angle Broadband Electromagnetic Wave Absorption Properties

Advanced Functional Materials, Год журнала: 2025, Номер unknown

Опубликована: Март 28, 2025

Abstract The absorption performance of electromagnetic (EM) wave absorbing materials deteriorates sharply at large incident angles, particularly angles exceeding 50°. To overcome this challenge, study proposes a bionic grooving all‐cementitious‐dielectric metastructure (ACDMS), yielding more than 34.6 GHz effective bandwidth ( EAB ) over 0°–60° without any agent. effects structural design, geometric parameters, and on the EM response are investigated by numerical simulations experimental characterizations. It is found that ACDMS enables multiple mechanisms under various including electric field redistribution, multi‐axis interference, surface excitation, diffraction/scattering pathways. Experimental results demonstrate 60° angle, even exceeds normal incidence, achieving relative 163%, ‐20 dB (99% absorption) 33.4 GHz, mean reflectivity −23.4 in 1–40 range. RCS simulation environmental testing across fluctuating humidity (40%–80%) temperature (10–220 °C) exposures underscore exceptional potential for practical applications harsh conditions. combination innovative mechanisms, adaptability convenient cement‐based manufacturing process establishes as promising candidate next‐generation absorbers.

Язык: Английский

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Flexible Metamaterial Absorbers Based on Fe₃O₄-Doped Laser-Induced Graphene with Tunable Absorption Bands

ACS Applied Materials & Interfaces, Год журнала: 2025, Номер unknown

Опубликована: Апрель 1, 2025

Due to widespread applications of electromagnetic waves (EMWs) in radar and communication systems, there is an urgent need for developing EMW absorbers capable working efficiently at multiple frequency points. In this work, flexible metamaterial (MAs) based on Fe3O4-doped laser-induced graphene (LIG/Fe3O4) are large-scale fabricated with the absorption bands tunable by regulating ferric chloride concentration laser path LIG/Fe3O4 meta-surface. The as-prepared triple band MA demonstrates superior S11 values -15.0 dB (9.0 GHz), -40.7 (12.2 -23.2 (16.8 respectively, attributed subwavelength units LIG/Fe3O4, synergistically combining dielectric magnetic loss. Moreover, MAs exhibit commendable corrosion resistance cross-section reduction characteristics, showing promising potential protection fields.

Язык: Английский

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